73712189782 has 16 divisors (see below), whose sum is σ = 137851368192. Its totient is φ = 28719034920.

The previous prime is 73712189731. The next prime is 73712189783. The reversal of 73712189782 is 28798121737.

It is a super-5 number, since 5×73712189782⁵ (a number of 56 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73712189783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239325138 + ... + 239325445.

It is an arithmetic number, because the mean of its divisors is an integer number (8615710512).

Almost surely, 2^73712189782 is an apocalyptic number.

73712189782 is a deficient number, since it is larger than the sum of its proper divisors (64139178410).

73712189782 is a wasteful number, since it uses less digits than its factorization.

73712189782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478650603.

The product of its digits is 2370816, while the sum is 55.

The spelling of 73712189782 in words is "seventy-three billion, seven hundred twelve million, one hundred eighty-nine thousand, seven hundred eighty-two".